Door Switch

DOOR SWITCH





Component Function Check
1.CHECK FUNCTION
1. Select "DOOR LOCK" of "BCM" using CONSULT-III.
2. Select "DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", in "DATA MONITOR" mode.
3. Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES - Door switch is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect malfunctioning door switch connector.
3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.






Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between door switch harness connector and BCM harness connector.





3. Check continuity between door switch harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Service and Repair.
NO - Repair or replace harness.
3.CHECK DOOR SWITCH GROUND CIRCUIT
Check continuity between door switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK DOOR SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace malfunctioning door switch.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect malfunctioning door switch connector.
3. Check continuity between door switch terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace malfunction door switch.